package main

import "fmt"

func main() {
	var c byte = 'c'

	fmt.Printf("c->%c,c->%d\n",c,c)

	//转换大小写 +-32
	fmt.Printf("C->%c\n",c-32)

	str := fmt.Sprintf("%c",c)
	fmt.Printf("%v",str)

}
